public function test_renameColumn_shouldDoNothing_IfGivenColumnDoesNotExist()
{
$this->row->setColumn('nb_visits', 11);
$this->row->renameColumn('nb_hits', 'nb_pageviews');
$this->assertFalse($this->row->hasColumn('nb_hits'));
$this->assertFalse($this->row->hasColumn('nb_pageviews'));
$this->assertEquals(11, $this->row->getColumn('nb_visits'));
}